12021010233331 has 6 divisors (see below), whose sum is σ = 13213176537596. Its totient is φ = 10928191121100.

The previous prime is 12021010233313. The next prime is 12021010233359. The reversal of 12021010233331 is 13333201012021.

It is not a de Polignac number, because 12021010233331 - 2²⁵ = 12020976678899 is a prime.

It is a super-2 number, since 2×12021010233331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021010233371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49673595885 + ... + 49673596126.

Almost surely, 2^{12021010233331} is an apocalyptic number.

12021010233331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021010233331 is a deficient number, since it is larger than the sum of its proper divisors (1192166304265).

12021010233331 is an equidigital number, since it uses as much as digits as its factorization.

12021010233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99347192033 (or 99347192022 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12021010233331 its reverse (13333201012021), we get a palindrome (25354211245352).

The spelling of 12021010233331 in words is "twelve trillion, twenty-one billion, ten million, two hundred thirty-three thousand, three hundred thirty-one".